SAR ADCs Handle Harsh Environments

Microchip Technology unveils 12 Successive Approximation Register (SAR) Analog-to-Digital Converters (ADCs) along with a companion differential amplifier designed to operate in high temperatures and high electromagnetic environments. The MCP331x1(D)-xx family includes what the company claims is the industry’s only 1-Msamples/s, fully AEC-Q100-qualified 16-bit SAR.

 

The MCP331x1(D)-xx family ranges in resolution from 12-, 14- and 16-bit, with speed options ranging from 500 ksamples/s to 1 Msamples/s. A fixed low analog supply voltage (AVDD) of 1.8V and low-current operation (1.6 mA typical active current for 1 Msamples/s and 1.4 mA for 500 ksamples/s).

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The devices support a wide digital I/O interface voltage (DVIO) range (1.7V - 5.5V) which allows it to interface with most host devices, including Microchip’s PIC32, AVR and Arm-based microcontrollers and microprocessors. This eliminates the need for using external voltage level shifters. The MCP331x1(D)-xx family contains both single-ended and differential input voltage measurement options, enabling systems to convert the difference between any two arbitrary waveforms

 

The MCP331x1D-XX Evaluation Kit is available and includes the MCP331x1D Evaluation Board, PIC32MZ EF MCU Curiosity Board for data collection, and the SAR ADC Utility PC Graphical User Interface (GUI).

 

Pricing and Availability

Pricing for the new SAR ADCS range from the MCP33111 available for $1.45 each/10,000 to the MCP33131 available for $4.65 each/10,000. Pricing for the MCP6D11 is $1.17 each/10,000 and the MCP331x1(D)-xx Evaluation Kit is available for $175.

 

For additional information, contact a Microchip sales representative, authorized worldwide distributor or visit Microchip’s website. To purchase products mentioned here visit our purchasing portal or contact a Microchip authorized distributor. For more details, contact Brian Thorsen at Microchip via telephone 888-624-7435 or email [email protected].

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